Koh Samui, according to the evidence found on Samui Island, historians believe that it was first inhabited by man at most 1,200 years ago. In 1940s, the island was still isolated from the outside world. Those wishing to travel to Samui had to travel from Surat Thani for approximately 6 hours.Koh Nang Yuan, located north of Koh Tao, the island is a combination of three small islands connected by a three-way stretch of pure white sands, offering a stunning view. The rich marine life, coral reef formation and snorkeling spot are what the island is known for. Accommodations and facilities are available with daily boat service to and from Koh Tao.Koh Tao, tiny Turtle Island is a top destination for scuba divers though even non divers are easily drawn in by the island' s beauty and its inhabitant charm.